Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

LONDON, ENGLAND - JUNE 30:  Former London Mayor and Conservative MP Boris Johnson speaks as he rules himself out of becoming the next Conservative party leader at St Ermin's Hotel on June 30, 2016 in London, England. Nominations for MP's to declare their intention to run for the Conservative Party Leadership and therefore British Prime Minister will close by noon today. The current Prime Minister and party leader, David Cameron, announced his resignation the day after the UK voted to leave the European Union.  (Photo by Dan Kitwood/Getty Images)
LONDON, ENGLAND - JUNE 30:  Former London Mayor and Conservative MP Boris Johnson speaks as he rules himself out of becoming the next Conservative party leader at St Ermin's Hotel on June 30, 2016 in London, England. Nominations for MP's to declare their intention to run for the Conservative Party Leadership and therefore British Prime Minister will close by noon today. The current Prime Minister and party leader, David Cameron, announced his resignation the day after the UK voted to leave the European Union.  (Photo by Dan Kitwood/Getty Images)

    JUST WATCHED

    Alastair Campbell on the UK's 'never before seen' crisis

MUST WATCH

Alastair Campbell on the UK's 'never before seen' crisis

Christiane Amanpour speaks with Alastair Campbell, Former Communications Director for Tony Blair, and Chris Philp, British Conservative Parliament Member.

Alastair Campbell on the UK's 'never before seen' crisis

Christiane Amanpour speaks with Alastair Campbell, Former Communications Director for Tony Blair, and Chris Philp, British Conservative Parliament Member.